Check

Run the project's quality checks via just check.

Instructions

1. Verify justfile exists — look for a justfile in the project root.

2. If no justfile found, stop and tell the user:

   No justfile found in the project root.
   
   This skill requires a justfile with a `check` recipe. Install the justfile skill and generate one:
   
     npx skills add agoodway/GoodSkills --skill justfile -g
   
   Then run: